Home / 120,216.33-165,910.86-69,230.97

Finding the Fourth Proportional to 120,216.33, 165,910.86 and 69,230.97

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Solution

The fourth proportional to 120,216.33, 165,910.86 and 69,230.97 is: 95,545.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,216.33 : 165,910.86 = 69,230.97 : x
  2. Step 2: Convert to fraction form
    120,216.33/165,910.86 = 69,230.97/x
  3. Step 3: Cross multiply
    120,216.33x = 165,910.86 × 69,230.97
  4. Step 4: Simplify right side
    120,216.33x = 11,486,169,771.33
  5. Step 5: Solve for x
    x = 11,486,169,771.33/120,216.33
  6. Step 6: Final answer
    x = 95,545.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.